<!-- src/components/IconSelect/index.vue -->
<template>
  <div class="icon-body">
    <el-input 
      v-model="name" 
      class="icon-search"  
      placeholder="请输入图标名称" 
      @clear="filterIcons" 
      @input="filterIcons"
    >
      <template #suffix>
        <el-icon class="el-input__icon"><search /></el-icon>
      </template>
    </el-input>
    <div class="icon-list">
      <div class="list-container">
        <div 
          v-for="(item, index) in iconList" 
          :key="index" 
          class="icon-item-wrapper" 
          @click="selectedIcon(item)"
        >
          <div :class="['icon-item', { active: activeIcon === item }]">
            <!-- 使用动态组件渲染图标 -->
            <component :is="getIconComponent(item)" class="icon" style="height: 25px; width: 16px;" />
            <span>{{ item }}</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, watch } from 'vue'
import * as ElementPlusIconsVue from '@element-plus/icons-vue'
import { Search } from '@element-plus/icons-vue'

const props = defineProps({
  activeIcon: {
    type: String,
    default: ''
  }
})

const emit = defineEmits(['selected'])

const name = ref('')
const iconList = ref(Object.keys(ElementPlusIconsVue))

const getIconComponent = (iconName) => {
  return ElementPlusIconsVue[iconName] || null
}

const filterIcons = () => {
  iconList.value = Object.keys(ElementPlusIconsVue)
  if (name.value) {
    iconList.value = iconList.value.filter(item => 
      item.toLowerCase().includes(name.value.toLowerCase())
    )
  }
}

const selectedIcon = (name) => {
  emit('selected', name)
}

watch(() => props.activeIcon, () => {
  name.value = ''
  iconList.value = Object.keys(ElementPlusIconsVue)
})
</script>

<style lang="scss" scoped>
.icon-body {
  width: 100%;
  padding: 10px;
  
  .icon-search {
    position: relative;
    margin-bottom: 5px;
  }
  
  .icon-list {
    height: 200px;
    overflow: auto;
    
    .list-container {
      display: flex;
      flex-wrap: wrap;
      
      .icon-item-wrapper {
        width: calc(100% / 3);
        height: 25px;
        line-height: 25px;
        cursor: pointer;
        
        .icon-item {
          display: flex;
          align-items: center;
          max-width: 100%;
          height: 100%;
          padding: 0 5px;
          
          &:hover {
            background: #ececec;
            border-radius: 5px;
          }
          
          .icon {
            flex-shrink: 0;
            margin-right: 5px;
          }
          
          span {
            display: inline-block;
            vertical-align: -0.15em;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
          }
        }
        
        .icon-item.active {
          background: #ececec;
          border-radius: 5px;
        }
      }
    }
  }
}
</style>